[PATCH 1/2 V3] MXS: Set I2C timing registers for mxs-i2c

[Shawn Guo]

On Sun, Jun 10, 2012 at 01:53:05PM +0200, Marek Vasut wrote:
> > +struct mxs_i2c_speed_config {
> > +	uint32_t	timing0;
> > +	uint32_t	timing1;
> > +	uint32_t	timing2;
> > +};
> > +
> > +/* Timing values for the default 24MHz clock supplied into the i2c block.
> 
> Thinking about these further -- does anyone have any idea how these numbers were 
> derived? And possibly even formula for that?
> 
> And maybe we should somehow make sure the source runs on 24MHz (how?).
> 
There is nothing about I2C clock mentioned in CLKCTRL chapter.  I just
contacted design team and was told that I2C clock sources from APBX
(xbus) clock and always runs at the same frequency there.

-- 
Regards,
Shawn